/**
 * Software License, Version 1.0
 * 
 * Copyright 2003 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
/**
 * Software License, Version 1.0
 * 
 * Copyright 2004 The Trustees of Indiana University.  All rights reserved.
 * 
 *
 *Redistribution and use in source and binary forms, with or without 
 *modification, are permitted provided that the following conditions are met:
 *
 *1) All redistributions of source code must retain the above copyright notice,
 * the list of authors in the original source code, this list of conditions and
 * the disclaimer listed in this license;
 *2) All redistributions in binary form must reproduce the above copyright 
 * notice, this list of conditions and the disclaimer listed in this license in
 * the documentation and/or other materials provided with the distribution;
 *3) Any documentation included with all redistributions must include the 
 * following acknowledgement:
 *
 *"This product includes software developed by the Community Grids Lab. For 
 * further information contact the Community Grids Lab at 
 * http://communitygrids.iu.edu/."
 *
 * Alternatively, this acknowledgement may appear in the software itself, and 
 * wherever such third-party acknowledgments normally appear.
 * 
 *4) The name Indiana University or Community Grids Lab or NaradaBrokering, 
 * shall not be used to endorse or promote products derived from this software 
 * without prior written permission from Indiana University.  For written 
 * permission, please contact the Advanced Research and Technology Institute 
 * ("ARTI") at 351 West 10th Street, Indianapolis, Indiana 46202.
 *5) Products derived from this software may not be called NaradaBrokering, 
 * nor may Indiana University or Community Grids Lab or NaradaBrokering appear
 * in their name, without prior written permission of ARTI.
 * 
 *
 * Indiana University provides no reassurances that the source code provided 
 * does not infringe the patent or any other intellectual property rights of 
 * any other entity.  Indiana University disclaims any liability to any 
 * recipient for claims brought by any other entity based on infringement of 
 * intellectual property rights or otherwise.  
 *
 *LICENSEE UNDERSTANDS THAT SOFTWARE IS PROVIDED "AS IS" FOR WHICH NO 
 *WARRANTIES AS TO CAPABILITIES OR ACCURACY ARE MADE. INDIANA UNIVERSITY GIVES
 *NO WARRANTIES AND MAKES NO REPRESENTATION THAT SOFTWARE IS FREE OF 
 *INFRINGEMENT OF THIRD PARTY PATENT, COPYRIGHT, OR OTHER PROPRIETARY RIGHTS. 
 *INDIANA UNIVERSITY MAKES NO WARRANTIES THAT SOFTWARE IS FREE FROM "BUGS", 
 *"VIRUSES", "TROJAN HORSES", "TRAP DOORS", "WORMS", OR OTHER HARMFUL CODE.  
 *LICENSEE ASSUMES THE ENTIRE RISK AS TO THE PERFORMANCE OF SOFTWARE AND/OR 
 *ASSOCIATED MATERIALS, AND TO THE PERFORMANCE AND VALIDITY OF INFORMATION 
 *GENERATED USING SOFTWARE.
 */
package cgl.narada.gridapps.nbgridftp.client;

import java.io.FileInputStream;
import java.io.IOException;

import javax.swing.ProgressMonitorInputStream;

import org.globus.ftp.Buffer;
import org.globus.ftp.DataSource;
import org.globus.ftp.GridFTPSession;
import org.gridforum.jgss.ExtendedGSSManager;
import org.ietf.jgss.GSSCredential;

import cgl.narada.gridapps.nbgridftp.gridftpext.NBGridFTPClient;

/**
   @author Sang Boem Lim
   $Date$
   $Revision$
 */

public class Upload extends Thread {

    private String localFile;
    private String remoteFile;
    private String host;
    private int port;

    private boolean finish = false;

    public Upload(String localFile, String remoteFile, String host, int port,
                  String fileName) {

        this.localFile = localFile;
        this.remoteFile = remoteFile;
        this.host = host;
        this.port = port;
    }

    public void run() {
        NBGridFTP.addInfo("========== Transferring File ==========\n" +
                          "   From: " + localFile + "\n" +
                          "   To  : " + remoteFile +
                          " at "+ host + ":" + port + ".\n");
        
        try {
            ExtendedGSSManager manager =
                (ExtendedGSSManager)ExtendedGSSManager.getInstance();
            
            GSSCredential cred =
                manager.createCredential(GSSCredential.INITIATE_AND_ACCEPT);
            
            NBGridFTPClient client = new NBGridFTPClient(host, port);
            client.authenticate(cred);
            
            client.setType(GridFTPSession.TYPE_IMAGE);
            client.setMode(GridFTPSession.MODE_STREAM);
            
            client.setLocalPassive();
            client.setActive();
            
            final ProgressMonitorInputStream in = 
                new ProgressMonitorInputStream(null,
                                               "Loading "+localFile, 
                                               new FileInputStream(localFile));
            client.put(remoteFile, new DataSource(){
                    long totalRead = 0;
                    public synchronized Buffer read()
                        throws IOException
                        {
                            byte[] buf = new byte[1024];
                            int count;
                            if ((count = in.read(buf)) > 0) {
                                Buffer buffer = new Buffer(buf, count, 
                                                           totalRead);
                                totalRead += count;
                                
                                return buffer;
                            } else
                                return null;
                        }
                    public void close() throws IOException
                        {
                            // close File input streams
                            in.close();
                        };
                },null);
            
            client.close();
            NBGridFTP.addInfo("========== Transfer done ===========\n\n");
            
            finish = true;
        }
        catch (Exception se) {
            new Information().showError("Fail to transfer file "+
                                        localFile + ".");
            NBGridFTP.addInfo("========== Transfer faild ===========\n\n");
            finish = true;
        }
    }

    public boolean isFinished() {

        return finish;
    }
}
